Bump julia-actions/julia-buildpkg from 1.6.0 to 1.7.0

Bumps [julia-actions/julia-buildpkg](https://github.com/julia-actions/julia-buildpkg) from 1.6.0 to 1.7.0.
- [Release notes](https://github.com/julia-actions/julia-buildpkg/releases)
- [Commits](julia-actions/julia-buildpkg@90dd6f2...e3eb439)

---
updated-dependencies:
- dependency-name: julia-actions/julia-buildpkg
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -61,7 +61,7 @@ jobs:
             ${{ runner.os }}-test-
             ${{ runner.os }}-
 
-      - uses: julia-actions/julia-buildpkg@90dd6f23eb49626e4e6612cb9d64d456f86e6a1c
+      - uses: julia-actions/julia-buildpkg@e3eb439fad4f9aba7da2667e7510e4a46ebc46e1
 
       - uses: ./.github/actions/julia-runtest